Ignition Coil: Service and Repair

Ignition Coil Replacement

Removal Procedure




1. Remove the engine cover.
2. Disconnect the chassis fuel feed pipe quick connect fitting from the engine fuel feed pipe.

Important: Note the routing of the spark plug wires prior to disconnecting the wires from the ignition coil.

3. Disconnect the spark plug wires (1) from the ignition coil.
4. Remove the spark plug wire retainer (2) from the ignition coil bracket.
5. Reposition the spark plug wires out of the way.




6. Disconnect engine wiring harness electrical connector (1) from the ignition coil.




7. Remove the ignition coil bolts (1) and ignition coil (2) from the bracket.




8. If required, remove the lower ignition coil bracket bolt (3).
9. Remove the engine wiring harness ground terminal from the ignition coil bracket.
10. Remove the upper ignition coil bracket bolts (1) and bracket (2).

Installation Procedure






Notice: Refer to Fastener Notice.

1. If required, position the ignition coil bracket to the lower intake manifold and install the upper bolts.

Tighten the bolts to 12 N.m (106 lb in).

2. Position the engine wiring harness ground terminal to the ignition coil bracket.
3. Install the lower ignition coil bracket bolt (3).

Tighten the bolt to 40 N.m (30 lb ft).




4. Place the ignition coil (2) on top of the bracket and install the bolts (1).

Tighten the bolts to 12 N.m (106 lb in).




5. Connect engine wiring harness electrical connector (1) to the ignition coil.




6. Position the spark plug wires and install the spark plug wire retainer (2) to the ignition coil bracket.
7. Connect the spark plug wires (1) to the ignition coil as noted during removal.
8. Connect the chassis fuel feed pipe quick connect fitting to the engine fuel feed pipe.
9. Install the engine cover.